Power-driven milling machine



FIG. 1 is a top and front perspective view of a power-driven milling machine showing my new design;

FIG. 2 is a top and side perspective view thereof;

FIG. 3 is a top and side perspective view thereof, of the opposite side of FIG. 2.

FIG. 4 is a top perspective view thereof; and

FIG. 5 is a top and rear perspective view thereof. 

The ornamental design for a power-driven milling machine, as shown. 